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Contrec 414L Introduction Manual

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BATCH CONTROLLER
MODEL 414L
414L-M-V3
September 2013

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  • Page 1 BATCH CONTROLLER MODEL 414L 414L-M-V3 September 2013...
  • Page 2 414L-M-V3...

  • Page 3: Table Of Contents

    3.7 The Output Pulse and Flow Alarm 4. Temperature Compensation 4.1 Temperature Input (RTD or 4-20mA) 4.2 Volume Correction for General Liquids 4.3 Density Correction for General Liquids 4.4 Compensation for Petroleum Liquids 4.5 Compensation for Liquefied Petroleum Gas (LPG) 4.6 Density Correction 414L-M-V3...
  • Page 4 7.1.1 Frequency Inputs 7.1.2 Analog Flow Inputs 7.2 Temperature or Density Input 7.3 Remote RUN and STOP Switches 8. Installation 8.1 General 8.2 Wiring Designations for the Model 414L 8.3 Ex 410 Enclosure Dimensons 9. Trouble Shooting 9.1 Error Codes Index 414L-M-V3...

  • Page 5: Introduction

    RTD. The Model 414L is ideally suited to custody transfer applications and includes the API/ASTM equations covering general petroleum products and LPG. Quadrature signal inputs are provided, where it is required to ensure the integrity of the flow signal, or to measure bi-directional flow.
  • Page 6 Generic Emission Standard EN 50081-2 Industrial Environment. Generic Immunity Standard EN 50082-1 Residential, Commercial & Light Industry Environment. Generic Immunity Standard EN 50082-2 Industrial Environment. In order to comply with these standards, the wiring instructions in Section 7.1 must be followed. 414L-M-V3...

  • Page 7: Model Number Designation

    0 for no option A for 4-20mA 2 for RS232/422/485 Mounting 1 for panel mounting 2 for field mounting 3 for explosionproof The Model Number of the instrument is displayed on first entering the Calibration Mode (see Section 6). 414L-M-V3...

  • Page 8: Specification

    Will accept most sine logic and proximity switch inputs (see section 7.1.1). Scaling Range: 0.1000 to 50,000. RTD Input (Model 414LR) Temperature Measurement Range: -100°C (-148°F) to 200°C (392°F). Measurement Accuracy: 0.1°C RTD Type: Platinum PT100. Linearity Correction: Internally Compensated. 414L-M-V3...
  • Page 9 10mSec (negative going pulse). Maximum Duty Cycle: 49 pulses per second. Scaling: The pulse output is scaled and outputs one pulse each time the accumulated total increments. Non-linearity Number of Points: 10 correction points maximum. Correction between Points: Linear interpolation used. 414L-M-V3...
  • Page 10 Accuracy: 0.05% Temperature Range: -273°C to 200°C. (-459°F to 392°F). Density Meter Input A density meter with 4-20mA output can be connected, in place of a temperature sensor, to provide a mass flow reading. (Model 414LA only.) 414L-M-V3...

  • Page 11: Operation

    Operation 3. OPERATION The Model 414L uses a low power CMOS microprocessor to perform all control functions and calculations. The instrument is fully programmable with all operating parameters and calculation constants user programmable. (See Section 6 entitled "Calibration" for information on programming.) All parameters and constants are stored in a non-volatile memory which retains data without battery backup for a minimum of 10 years.
  • Page 12 A C M a i n s DC Power Output to Sensors On the Model 414L a DIL switch on the rear panel enables the frequency input circuit to be set to interface with a wide range of flowmeters, including turbine flowmeters and flowmeters with Namur type sensors.

  • Page 13: Front Panel Operation

    BATCH SET key to return to the Run mode. The Batch Set LED will extinguish. Once programmed, the Batch quantity will be retained in the non- volatile memory and will not alter until changed by the user. 414L-M-V3...
  • Page 14 Batch Total will then revert to the preset quantity. If it is programmed to count up, the Batch Total will clear to zero. Ÿ If Auto Reset is programmed, the Batch Total will automatically reset when the RUN key is pressed and then commence the next batch. 414L-M-V3...
  • Page 15 If the batch is controlled via the Gross Total, the Net Total (or MASS Total) will be displayed. If the batch is controlled via the Net Total (or MASS Total) the Gross Total will be displayed. 414L-M-V3...
  • Page 16 Batch Total display. LIMIT ON BATCH SIZE To prevent accidental entry of large batch quantities, a maximum batch limit can be programmed during calibration. The operator is then prevented from entering a batch quantity which exceeds this value. 414L-M-V3...

  • Page 17: Batch Operations

    P r e s t o p S t a r t T i m e Q u a n t i t y E n d o f B a t c h E n d o f B a t c h 414L-M-V3...
  • Page 18 B a t c h E n d o f B a t c h The Batch Controller can also be programmed, during Calibration, to either count up from zero on each batch, or to count down from the preset batch quantity. 414L-M-V3...

  • Page 19: Control Relay Outputs

    (ie. not the prestop phase), the timer will be reset and a slow start will occur with a full time delay to ensure a correct start up. The totals will not be reset and the batch quantity will remain unchanged. 414L-M-V3...

  • Page 20: Signal Timeout

    STOP switch. The alarm condition is also signalled to the operator by the flashing STOP LED. Once acknowledged, the process can then be reset via the STOP switch or continued by pressing the RUN key. 414L-M-V3...

  • Page 21: End Of Batch

    30 and the output is identical to the Output Pulse circuit as shown in section 3.7. When reaching the End of Batch, the output transistor is switched on, and will remain in the "on" state until the instrument is reset. 414L-M-V3...

  • Page 22: Auto Restart

    The STOP button can be pressed at any time to interrupt the batching process and continued using the RUN key. If, however, the process is to be aborted, the STOP key is again pressed. The Batch Controller is reset and to restart the auto batching process the RUN key is pressed. 414L-M-V3...

  • Page 23: Automatic Overrun Compensation

    It then uses the overrun quantity measured during this period and averages this together with the overrun on the last two batches. The resulting value is then subtracted from the next batch. 414L-M-V3...

  • Page 24: Single And Quadrature Inputs

    This usually requires a turbine meter to have two coils, or a positive displacement meter to have two pulse units. The Model 414L can interface to flowmeters fitted with two sensors and connections to the flowmeters are outlined in Section 7.1.1.

  • Page 25: Calculation Of Rate And Total

    Calibration procedure as detailed in Section 6 of this manual. When non-linearity correction is programmed, up to 10 scaling factors are programmed to cover different frequency ranges. The instrument will then automatically select the correct scaling factor to be applied at the measured frequency. 414L-M-V3...

  • Page 26: Analog Input

    The user programs S and selects n during the Calibration procedure, as detailed in Section 6 of this manual. Note that the Model 414L will only handle flow signals from differential pressure type flow devices (ie. when n = ½) for: 1.

  • Page 27: Filtering

    The value, A, is the filter constant which is programmed during the Calibration routine. The times for the display value to reach 90% and 99% of full swing are given in seconds, for different values of A. 414L-M-V3...
  • Page 28 Operation Table 1 - Response to a step Input (in seconds) . Note that if A is set to 1 there is no filtering of the input signal. 414L-M-V3...

  • Page 29: Total Conversion

    Some common units are given below together with the Total Conversion constant (TOTCON) which should be programmed. Rate* Totals TOTCON Gallons (US)/ Barrels (oil) 42.000 Litres/ Kilolitres 1000 Litres 1000 Mgallons/ Acre-feet 0.32587 * Units per second, minute, hour or day. The timebase is programmed separately during Calibration. 414L-M-V3...

  • Page 30: Non-Linearity Correction

    F r e q F r e q F r e q Frequency K H z Linear Interpolation is used between points on the curve, except for Factor 1 which maintains a constant value between Frequency 1 and the maximum input frequency. 414L-M-V3...
  • Page 31 Hence, the user can program any number of correction points up to a maximum of 10. Note that if all 10 correction points are required, then Frequency 10 will automatically be assigned the value of 0Hz. 414L-M-V3...

  • Page 32: The Output Pulse And Flow Alarm

    3.5mA. The Flow Alarm output will switch "on" (ie the signal goes low) whenever an alarm condition exists. The Alarm will switch "off" (ie the signal goes high) when the alarm is reset by pressing the STOP key. 414L-M-V3...
  • Page 33 Operation Connection of Output Pulse and Flow Alarm are as Relay or Impulse Counter Model 414L 7/10 5.6 ohms 3 3 V Zener DC Supply Driving an External Relay or Impulse Counter Model 414L DC Supply Out (8-24V) External Load...

  • Page 34: Temperature Compensation

    60°F/15°C. 4.1 TEMPERATURE INPUT (RTD OR 4-20mA) The Model 414L is available with either a PT100 Platinum RTD input or with a 4-20mA input. The input option must be specified on ordering. The temperature inputs are continually checked to ensure that they are within the specified limits and an Input Error will be displayed as "Err 12"...
  • Page 35 Model number designation 414LA. With a 4-20mA input, a linear relationship is assumed over the span of the transmitter. The temperatures or densities at 4mA and 20mA are both programmable during the Calibration routine. 414L-M-V3...

  • Page 36: Volume Correction For General Liquids

    The Thermal Coefficient of Expansion, "a", for a liquid can be determined empirically or can be found in chemical engineering texts. A list of coefficients is given on the following page for a number of petroleum products at 15°C. 414L-M-V3...
  • Page 37 Crude Oil (Bass Strait) 0.796 0.00087 Benzene 0.880 0.00120 Toluene 0.870 0.00110 Xylene 0.860 0.00100 White Spirit 0.780 0.00095 Mineral Turpentine 0.820 0.00087 Lube Oils SAE 10 0.880 0.00077 0.890 0.00076 0.890 0.00076 0.900 0.00074 0.900 0.00074 Water 1.000 0.00031 414L-M-V3...

  • Page 38: Density Correction For General Liquids

    R, and the required units for MASS flow. For example, if R is in litres and the mass is required in kilograms, then the density must obviously be programmed as kg/litre. 414L-M-V3...
  • Page 39 The Mass flowrate at 20mA and the corresponding reference density are provided by the flowmeter supplier and S is then calculated from the above equation and rogrammed during Calibration. For differential pressure devices, the Gross Total is calculated as: Volume Flow = S x A Density 414L-M-V3...

  • Page 40: Compensation For Petroleum Liquids

    For US units, the density is programmed as the Relative Density (SG) and the volume is referenced to 60°F. For Metric units, the density is programmed as the Density in kg/m 3 and the volume is referenced to 15°C. 414L-M-V3...
  • Page 41 850 - 960 Diesel, Heating + Fuel Oils 0.801 - 1.100 800 - 1100 When programming the density, the values must be entered within these specified limits otherwise an error message will be displayed, prompting the operator to check the parameters. 414L-M-V3...

  • Page 42: Compensation For Liquefied Petroleum Gas (Lpg)

    When programming the density, the values must be within the following limits, otherwise an error message will be displayed. US units 0.501 to 0.600 Metric units 0.500 to 0.600 kg/litre The temperature compensation is performed over a temperature range of - 45°C to 60°C (-49°F to 140°F). 414L-M-V3...

  • Page 43: Density Correction

    The Mass flowrate at 20mA and the corresponding reference density are provided by the flowmeter supplier and S is then calculated from the above equation and programmed during Calibration. The Gross Total is calculated as: Volume Flow = S x A Density 414L-M-V3...
  • Page 44 Version 3 models can be defined by having plug-off green terminals. ( + ) RS4 22 Out ( + ) RS422 In D a t a I n R S 23 2 D a t a O u t C T S 20/2B G r o u n d 414L-M-V3...
  • Page 45 120 ohms C o m p u t e r 400 Series 400 Series Instrument Instrument Figure 1 RS422 Interface NB. Diagram refers to Version 3 Models Only Version 3 models can be defined by having plug-off green terminals. 414L-M-V3...
  • Page 46 G n d G n d O u t O u t 400 Series 400 Series Instrument Instrument Figure 2 RS485 Interface NB. Diagram refers to Version 3 Models Only Version 3 models can be defined by having plug-off green terminals. 414L-M-V3...
  • Page 47 Options 5.1.3 Communication Protocol The Model 414L has a real time clock and enables the time and date to be set and printed on tickets. The date format can be European (days/months/years) or USA (months/days/years), while the time is on a 24 hour clock.
  • Page 48 In half duplex, the commands are not echoed. For more information on the computer interface please consult the manual "The RS232/422/485 Communications Option for the 400 Series, Version 2". 414L-M-V3...
  • Page 49 When a value or parameter can be changed, it is always shown as flashing, and the LED's in the switch panels are lit if that key switch can be used to change a value. 414L-M-V3...
  • Page 50 STOP switch, select the appropriate mode. To exit Calibration, step through the Setup program, Batch program or Test program until the end, and press the STOP switch when End is displayed, (ensure the calibration link is not connected). 414L-M-V3...
  • Page 51 Analog Input (only for Model 414LA) CORRCT Select either a linear input or non- linear correction for the flowmeter input. If an analog input is selected the input relationship is either Linear linear or square root. Nonlin Sq rt 3.4.2 414L-M-V3...
  • Page 52 If any Freq is set to 0, no further correction points can be programmed and the non-linearity correction is limited to that number of points. Scaling Factor 2. Fact 2 Scaling Factor 10. Note that Freq10 is not Fact 10 displayed since it must always be zero. 414L-M-V3...
  • Page 53 Rate and totals have the same engineering units. x.xxxx Other factors can be programmed between 0.01 and 2000. 11 t.dPt Number of decimal points with which the Net (resettable) total is displayed between 0 to 0.000. 414L-M-V3...
  • Page 54 Compensation for Liquid Petroleum Gas. dens Density Meter Input (Model 414L Only). If "none" (no temperature compensation) is selected the program will go to Step 20 (ACCESS). If a Density Meter Input is selected the following steps are displayed: 14 d4 The density at 4mA input is programmed.
  • Page 55 17 NotP x Number of temperature-density correction points up to five. If x is set to 1, a fixed density can be programmed (ie. the density is not dependant on the temperature). 18 tp1 Temperature point 1. 19 dens1 Density 1. 414L-M-V3...
  • Page 56 The program will now go to Step 20. Liquid Petroleum Gas 17 dn 60°F If US units are selected, the Relative Density 20 ACCESS Enable access to calibration routine via the front keyboard only. Front Enable access via front keyboard. No Acc 414L-M-V3...
  • Page 57 Automatic restart feature. Disable. Enable. xx:xx If enabled, automatically restarts the batch xx:xx (mins:sec) after 3.2.4 the end of the last batch. START. T Slow start time. xx:xx Time, in (minutes:seconds), when Relay 2 will energise once the batch has started. 414L-M-V3...
  • Page 58 AUTO R Auto Reset (not displayed if Auto Restart is programmed - Step 3 above). Batch Total must be manually reset before starting the next batch. The Batch can be automatically reset and started by pressing only the RUN key. 414L-M-V3...
  • Page 59 Enter date as: xx:xx:xx Years:Months:Days. Enter time as a 24 hour clock. HOUR Hours:Minutes. xx:xx BAUD Baudrate 300, 600, 1200, 2400, 4800 and 9600. Word length. DATA 7 bits. 8 bits. PARITY Parity. No Parity. Odd Parity. Even Parity. 414L-M-V3...
  • Page 60 1 - 99 10 P TYPE xx Printer/Computer Type. Standard Computer Printer. EPSON CTM 290 Slip Printer. Contrec Model 624 Printer. EPSON TM290-2 Slip Printer. Contrec Model 632-2 Printer. Syntest SP 210 Printer. Computer. If a Printer Protocol is selected, the following message is...
  • Page 61 The measured temperature is then displayed . xxx.xx Use the DISPLAY switch to step to the Flow Input. If the Flow Input is a Single frequency input, the display will show: Displayed for 1 second followed by the Freq actual frequency. Frequency in Hz. xxxx.x 414L-M-V3...
  • Page 62 If the Flow Input is an analog signal the display will show: F4-20 Displayed for 1 second followed by the actual current. xx.xx If the RS232/422/485 option is installed, the display will then show: Clock. CLOC Time in Hours:Mins:Sec. xx:xx:xx 414L-M-V3...
  • Page 63 - a Logic Signal - a Namur Sensor The frequency input circuits for the Model 414L can be configured by the user to interface with most flowmeters. A small 8 pole DIL switch on the rear of the instrument is used to set up the input circuit to operate with different types of signals.
  • Page 64 2.5 Volts (except for input type c and e) Maximum Input Voltage: 50V peak Input Impedance Input type a: 100K on channel 1 10K on channel 2 Input types b & d: Input type c: Input type e: 100K 414L-M-V3...
  • Page 65 Input Circuits Powering of Sensors The Model 414L has a regulated DC output which can be used to power sensors. A trimpot on the rear of the instrument allows the voltage to be adjusted in the range of 8-24 Volts and the output can supply a maximum of 50mA.
  • Page 66 C O M P A R A T O R Pulse Input Chann el 2 1 0 0 K 1 0 0 R + 5 V 3 3 K 3 3 K 1 K 2 The Frequency Input Circuits 414L-M-V3...
  • Page 67 Ch. 2 and opto-sensors 3. Reed Switch e g . p o s i t i v e d i s p l a c e m e n t flowmeters with reed switch outputs. Reed Switches 414L-M-V3...
  • Page 68 5. Namur Proximity Switch Ch. 1 eg. positive displacement Ch. 2 flowmeters with 2 wire proximity switch outputs 6. Opto-Sensors Resistor Ch. 1 eg. pre-amplifiers Common and opto-sensors. Note that the current limiting resistor may be required. See the flowmeter manufacturer's data. 414L-M-V3...
  • Page 69 T r a n s m i t t er o h m s Shielding: When shielding the input signals, the shield should be connected to the case earth and not connected at the transmitter end (ie ground at the instrument end only). 414L-M-V3...
  • Page 70 R T D T emperature Sensor ( + ) C u r r e n t ( + ) Sig nal T w i st ed P a i r C a b l e Shield to case earth 414L-M-V3...
  • Page 71 5. The RTD has no polarity and can be connected in either direction. 4-20mA With a 4-20mA input, the program enables the 4mA point and the 20mA point to be programmed. Unlike the direct RTD measurement, no correction is made for the non-linearity of the temperature or density sensor. 414L-M-V3...
  • Page 72 Input Circuits 7.3 REMOTE RUN AND STOP SWITCHES Remote push-buttons can be connected to the Model 414L to start and stop batches. The switch functions are identical to the RUN and STOP switches on the front of the instrument. The switches are wired as follows:...
  • Page 73 8. INSTALLATION 8.1 GENERAL Terminal designations for the Model 414L Batch Controller are given on the following pages. The cutout hole in the panel should be 5.5" (139mm) wide x 2.6" (67mm) high. Two side clips are supplied to secure the instrument into panel.
  • Page 74 The basic principle of operation is that the capacitor prevent a series of sparks arcing across the contact as the contact breaks. The series resistor limits the current through the contact when the contact first makes. 414L-M-V3...
  • Page 75 Installation 8.2 WIRING DESIGNATIONS FOR THE MODEL 414L Terminal Model 414LR Model 414LA Calibration Link Calibration Link Signal Ground Signal Ground Flow Pulse Input (Channel 2) Flow Pulse Input (Channel 2) PT100 I (+) Not To Be Used PT100 Signal (+)
  • Page 76 70.0 70.0 71.5 71.5 Gland Holes 130.0 130.0 Gland Holes 3 x ¾“ NPT 3 x M20 Enclosure with 3 x M25 Gland holes Enclosure with 3 x ¾“ NPT Gland holes Material: Cast Aluminium Finish: Light beige powdercoat 414L-M-V3...
  • Page 77 The Batcher will display all eights on power up for 4 seconds as a display test. If it continues to display all eights after this period, this is symptomatic of the power supply voltage being low. Check the power input voltage. 414L-M-V3...
  • Page 78 Section 8. Another remedy for this problem is to use an isolating relay to switch the load, and use the Batcher to drive the isolating relay. The isolating relay should be mounted away from the Batcher and from signal wiring. 414L-M-V3...
  • Page 79 No end of batch, pulse output or flow alarm. This fault is usually caused by lack of a pull up resistor or load on the output. The outputs themselves have no internal pullups and rely on an external load. 414L-M-V3...
  • Page 80 (See Section 3.4.2.) Output Errors Invalid output configuration. Communications error - Baud rate not set. Communications error - Printer fault. Calibration Errors Zero Value not Allowed. Outside Allowable Temperature Range. Outside Allowable Density Range. Invalid Printer Type. Invalid Volume Units selected. 414L-M-V3...
  • Page 81 Liquefied Petroleum Filtering, 25 Communication Gas (LPG), 40 Flow Alarm, 18, 30 Protocol, 45 Logic Signals, 61 Flowrate, 23 Computer, 46 Loss of Signal, 18 Frequency Input, 23 Conformal Coating, 5 Lube Oil, 39 Frequency Inputs, 61 Control Functions, 15 414L-M-V3...
  • Page 82 Petroleum Liquids, 38 Stopping, 12 Platinum RTD, 68 Switch Settings, 62 Power Requirements, Switching Current, 7 Switching Power, 7 Powering of Sensors, Switching Threshold, 62 Prestop, 17 Printer, 45 PT100, 32 Pulse Difference, 22 Pulse Output, 7, 30 Pulse Width, 7 414L-M-V3...

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